propodeum n. [Gr. pro, before; podeon, neck] (ARTHRO: In-secta) 1. In apocrite Hymenoptera the fused first abdominal segment; median segment; propodeon also used. see alitrunk. 2. For Formicidae, a synonym for epinotum.
propodite n. [Gr. pro, before; pous, foot; -ites, part] (ARTHRO) 1. The next to last segment of a generalized limb. 2. (ARTHRO: Insecta) The tarsus. 3. (ARTHRO: Crustacea) see propodus.
propodium n. [Gr. pro, before; pous, foot] (MOLL: Gastropoda) The foremost divison of the foot, functioning in pushing aside sediment as the animal crawls.
propodosoma n. [Gr. pro, before; pous, foot; soma, body] (ARTHRO: Chelicerata) In Acari, the region of the podosoma that bears the first and second pairs of legs.
propodus n. [Gr. pro, before; pous, foot] (ARTHRO: Crustacea) The 4th segment of an endopod, between the carpus and dactyl.
propolar cells (MESO: Rhombozoa) In Dicymedia, the anterior tier of cells in the calotte.
propolis n. [Gr. pro, before; polis, city] (ARTHRO: Insecta) In Hymenoptera, a term for resins and waxes collected by bees for use in construction and sealing crevices in the nest wall.
propped a. [ME. proppe, prop] (MOLL: Polyplacophora) Pertaining to teeth of the valves having edges thickened on the outside.
proprioceptor n. [L. proprius, ones own; receptor, receiver] 1. Internal sense organs that lie within the body cavity and respond to internal conditions of the organism. 2. Mech-anoreceptors that detect movements or position of the body parts; in arthropods, cordotonal organs, campaniform sensilla, and hair plates.
propupa n. [L. pro, before; pupa, puppet] (ARTHRO: Insecta) The instar preceding the pupa in Thysanoptera and male Coccidae; sometimes also called prepupa.
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